body{
	background: #fff;
}
*{
	margin: 0;
	padding: 0;
	list-style: none;
}


#logo{
	background-image: url(1.png);
}


#nav li{	
	float: left;
	width: 20%;
	height: 30px;
	background-color: #fff;
	line-height: 30px;
	text-align: center;
    color: #fff;
}
#nav li:hover{
	background-color: #f00;
	font-size: 1.2em;
	color: #fff;
}
#nav ul{
	border-radius: 5px;
	width: 100%;
	height:30px;
	overflow: hidden;
}
#nav li a{
	text-decoration: none;
	color: #000;
	cursor: pointer;s
}
#wendu{
	height: 30px;
}